Patents by Inventor Yu-Shan Chou
Yu-Shan Chou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240133918Abstract: In a method for obtaining the equivalent oxide thickness of a dielectric layer, a first semiconductor capacitor including a first silicon dioxide layer and a second semiconductor capacitor including a second silicon dioxide layer are provided and a modulation voltage is applied to the semiconductor capacitors to measure a first scanning capacitance microscopic signal and a second scanning capacitance microscopic signal. According to the equivalent oxide thicknesses of the silicon dioxide layers and the scanning capacitance microscopic signals, an impedance ratio is calculated. The modulation voltage is applied to a third semiconductor capacitor including a dielectric layer to measure a third scanning capacitance microscopic signal. Finally, the equivalent oxide thickness of the dielectric layer is obtained according to the equivalent oxide thickness of the first silicon dioxide layer, the first scanning capacitance microscopic signal, third scanning capacitance microscopic signal, and the impedance ratio.Type: ApplicationFiled: April 12, 2023Publication date: April 25, 2024Inventors: MAO-NAN CHANG, CHI-LUN LIU, HSUEH-LIANG CHOU, YI-SHAN WU, CHIAO-JUNG LIN, YU-HSUN HSUEH
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Patent number: 11852844Abstract: An optical system is provided and includes a fixed assembly, an optical module, a first movable assembly and a first driving assembly. The optical module has an optical axis. The first movable assembly is configured to be connected to the optical module. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly, and a gap is formed between the first movable assembly and the fixed assembly.Type: GrantFiled: April 17, 2020Date of Patent: December 26, 2023Assignee: TDK TAIWAN CORP.Inventors: Fu-Yuan Wu, Yu-Shan Chou, Chen-Hsin Huang
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Patent number: 11774700Abstract: A driving module is provided. The driving module includes a fixed portion, a movable portion movably connected to the fixed portion and used to hold an optical element having an optical axis, a driving assembly for driving the movable portion to move relative to the fixed portion, and a circuit assembly electrically connected to the driving assembly. The circuit assembly includes a first segment, a second segment, and a third segment. The first segment is resilient, plate-shaped, and movable relative to the fixed portion and the movable portion. The second segment is plate-shaped and affixed on the movable portion, wherein a thickness direction of the first segment is different from a thickness direction of the second segment. The third segment is plate-shaped and affixed on the fixed portion, wherein the second segment is movably connected to the third segment through the first segment.Type: GrantFiled: January 19, 2022Date of Patent: October 3, 2023Assignee: TDK TAIWAN CORP.Inventors: Fu-Yuan Wu, Yu-Shan Chou, Haruo Taguchi
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Publication number: 20220137319Abstract: A driving module is provided. The driving module includes a fixed portion, a movable portion movably connected to the fixed portion and used to hold an optical element having an optical axis, a driving assembly for driving the movable portion to move relative to the fixed portion, and a circuit assembly electrically connected to the driving assembly. The circuit assembly includes a first segment, a second segment, and a third segment. The first segment is resilient, plate-shaped, and movable relative to the fixed portion and the movable portion. The second segment is plate-shaped and affixed on the movable portion, wherein a thickness direction of the first segment is different from a thickness direction of the second segment. The third segment is plate-shaped and affixed on the fixed portion, wherein the second segment is movably connected to the third segment through the first segment.Type: ApplicationFiled: January 19, 2022Publication date: May 5, 2022Inventors: Fu-Yuan WU, Yu-Shan CHOU, Haruo TAGUCHI
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Patent number: 11294140Abstract: An optical element driving module is provided, including a fixed portion, a movable portion, a driving assembly, and a glue. The fixed portion includes a housing and a base. The movable portion is movable relative to the fixed portion, and the driving assembly includes at least a coil and at least a magnetic element for driving the movable portion to move relative to the fixed portion. Specifically, the housing, the base, and the magnetic element are adhered to each other by the glue.Type: GrantFiled: June 21, 2019Date of Patent: April 5, 2022Assignee: TDK TAIWAN CORP.Inventors: Fu-Yuan Wu, Yu-Shan Chou, Sin-Jhong Song
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Patent number: 11256059Abstract: A driving module is provided, including: a fixed portion; a movable portion movably connected to the fixed portion and used to hold an optical element having an optical axis; a driving assembly disposed on the fixed portion or the movable portion for moving the movable portion relative to the fixed portion; and a circuit assembly electrically connected to the driving assembly and including a first segment and a second segment, wherein the first segment is positioned on a first plane, the second segment is positioned on a second plane, the first plane and the second plane are parallel to the optical axis, and the first plane and the second plane are different.Type: GrantFiled: July 3, 2019Date of Patent: February 22, 2022Assignee: TDK Taiwan Corp.Inventors: Fu-Yuan Wu, Yu-Shan Chou, Haruo Taguchi
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Publication number: 20200333555Abstract: An optical system is provided and includes a fixed assembly, an optical module, a first movable assembly and a first driving assembly. The optical module has an optical axis. The first movable assembly is configured to be connected to the optical module. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly, and a gap is formed between the first movable assembly and the fixed assembly.Type: ApplicationFiled: April 17, 2020Publication date: October 22, 2020Inventors: Fu-Yuan WU, Yu-Shan CHOU, Chen-Hsin HUANG
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Publication number: 20190391361Abstract: An optical element driving module is provided, including a fixed portion, a movable portion, a driving assembly, and a glue. The fixed portion includes a housing and a base. The movable portion is movable relative to the fixed portion, and the driving assembly includes at least a coil and at least a magnetic element for driving the movable portion to move relative to the fixed portion. Specifically, the housing, the base, and the magnetic element are adhered to each other by the glue.Type: ApplicationFiled: June 21, 2019Publication date: December 26, 2019Inventors: Fu-Yuan WU, Yu-Shan CHOU, Sin-Jhong SONG
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Publication number: 20190324225Abstract: A driving module is provided, including: a fixed portion; a movable portion movably connected to the fixed portion and used to hold an optical element having an optical axis; a driving assembly disposed on the fixed portion or the movable portion for moving the movable portion relative to the fixed portion; and a circuit assembly electrically connected to the driving assembly and including a first segment and a second segment, wherein the first segment is positioned on a first plane, the second segment is positioned on a second plane, the first plane and the second plane are parallel to the optical axis, and the first plane and the second plane are different.Type: ApplicationFiled: July 3, 2019Publication date: October 24, 2019Inventors: Fu-Yuan WU, Yu-Shan CHOU, Haruo TAGUCHI
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Patent number: 10386595Abstract: An optical mechanism is provided. The optical mechanism includes a fixed member, a movable member, an optical element, a first sensing magnet and a first sensing element, wherein the movable member is movably connected to the fixed member, and the optical element is disposed on the movable member. The first sensing magnet corresponds to the optical element and has a first magnetic polar direction. The first sensing element corresponds to the first sensing magnet for detecting the rotation of the first sensing magnet around a first axis direction relative to the fixed member, wherein the first axis is perpendicular to the first magnetic polar direction.Type: GrantFiled: January 11, 2018Date of Patent: August 20, 2019Assignee: TDK Taiwan Corp.Inventors: Fu-Yuan Wu, Yu-Shan Chou, Haruo Taguchi
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Publication number: 20180210160Abstract: An optical mechanism is provided. The optical mechanism includes a fixed member, a movable member, an optical element, a first sensing magnet and a first sensing element, wherein the movable member is movably connected to the fixed member, and the optical element is disposed on the movable member. The first sensing magnet corresponds to the optical element and has a first magnetic polar direction. The first sensing element corresponds to the first sensing magnet for detecting the rotation of the first sensing magnet around a first axis direction relative to the fixed member, wherein the first axis is perpendicular to the first magnetic polar direction.Type: ApplicationFiled: January 11, 2018Publication date: July 26, 2018Inventors: Fu-Yuan WU, Yu-Shan CHOU, Haruo TAGUCHI
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Patent number: 8025411Abstract: A liquid crystal panel includes a liquid crystal display element, a micro-lens array, an adjustable lens array, and a lens control unit electrically connected to the adjustable lens array. The liquid crystal display element has a light input surface and a light output surface opposite to the light input surface. The micro-lens array has a plurality of micro-lenses disposed on the light input surface of the liquid crystal display element). The adjustable lens array has a plurality of adjustable lenses disposed on the light output surface of the liquid crystal display element. The lens control unit is capable of controlling focal lengths of the plurality of adjustable lenses.Type: GrantFiled: April 28, 2008Date of Patent: September 27, 2011Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Chien-Wen Hsu, Po-Lin Wang, Ching-Te Chu, Yu-Shan Chou
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Patent number: 7825363Abstract: An exemplary MLA unit for use in a projection device is disclosed. The projection device includes an LCD panel. The LCD panel includes a number of pixels each having an opening. The MLA unit includes a first MLA, and a second MLA. The first MLA includes a number of first micro lenses each configured for focusing incident light into the opening of a respective pixel of the LCD panel. The second MLA includes a number of second micro lenses each aligned with a respective first micro lens of the first MLA so as to form a micro lens system. The second MLA is movable so as to change the effective focal length of the lens systems.Type: GrantFiled: June 6, 2008Date of Patent: November 2, 2010Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Chien-Wen Hsu, Po-Lin Wang, Ching-Te Chu, Yu-Shan Chou
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Patent number: 7781991Abstract: A heat dissipation system used in an electronic device includes a plurality of fans positioned in the electronic device, a sensing module, and a processing module. The sensing module is configured for detecting temperature, relative humidity, and air pressure of airflow flowing in the electronic device. The processing module is configured for adjusting a voltage applied to each of the plurality of fans according to the detected temperature, relative humidity, and air pressure of the airflow.Type: GrantFiled: December 27, 2007Date of Patent: August 24, 2010Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Yu-Shan Chou, Po-Lin Wang, Ching-Te Chu
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Publication number: 20090120631Abstract: A heat dissipation system used in an electronic device includes a plurality of fans positioned in the electronic device, a sensing module, and a processing module. The sensing module is configured for detecting temperature, relative humidity, and air pressure of airflow flowing in the electronic device. The processing module is configured for adjusting a voltage applied to each of the plurality of fans according to the detected temperature, relative humidity, and air pressure of the airflow.Type: ApplicationFiled: December 27, 2007Publication date: May 14, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: YU-SHAN CHOU, PO-LIN WANG, CHING-TE CHU
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Publication number: 20090122267Abstract: A projection optical system includes a grating configured for splitting a light input into red, green and blue lights for generating red, green and blue lights of mutually different colors, a liquid crystal panel positioned to receive light outputs from the grating and configured for superimposing spatial information on the light outputs and emitting the light outputs comprising spatial information. The above-described projection optical system improves image contrast, and is suitable for use in adverse thermal environments. The projection optical system utilizes coupling of the grating and the liquid crystal panel to the projecting lens to achieve good image quality, without requiring costly, high index, low birefringence glass.Type: ApplicationFiled: December 27, 2007Publication date: May 14, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: SHIH-CHIEH CHOU, YU-SHAN CHOU
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Publication number: 20090073329Abstract: A liquid crystal panel includes a liquid crystal display element, a micro-lens array, an adjustable lens array, and a lens control unit electrically connected to the adjustable lens array. The liquid crystal display element has a light input surface and a light output surface opposite to the light input surface. The micro-lens array has a plurality of micro-lenses disposed on the light input surface of the liquid crystal display element). The adjustable lens array has a plurality of adjustable lenses disposed on the light output surface of the liquid crystal display element. The lens control unit is capable of controlling focal lengths of the plurality of adjustable lenses.Type: ApplicationFiled: April 28, 2008Publication date: March 19, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHIEN-WEN HSU, PO-LIN WANG, CHING-TE CHU, YU-SHAN CHOU
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Publication number: 20090066917Abstract: An exemplary MLA unit for use in a projection device is disclosed. The projection device includes an LCD panel. The LCD panel includes a number of pixels each having an opening. The MLA unit includes a first MLA, and a second MLA. The first MLA includes a number of first micro lenses each configured for focusing incident light into the opening of a respective pixel of the LCD panel. The second MLA includes a number of second micro lenses each aligned with a respective first micro lens of the first MLA so as to form a micro lens system. The second MLA is movable so as to change the effective focal length of the lens systems.Type: ApplicationFiled: June 6, 2008Publication date: March 12, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHIEN-WEN HSU, PO-LIN WANG, CHING-TE CHU, YU-SHAN CHOU